



UpperCAmelCase_		 =					"""Alexander Joslin"""

import operator as op

from .stack import Stack

def 	SCREAMING_SNAKE_CASE_							(	_snake_case	:str				)  ->     int:
   _A      =       {'''*''': op.mul, '''/''': op.truediv, '''+''': op.add, '''-''': op.sub}

   _A      =       Stack()
   _A      =       Stack()

   for i in equation:
      if i.isdigit():
         # RULE 1
         operand_stack.push(int(_snake_case				)				)
      elif i in operators:
         # RULE 2
         operator_stack.push(_snake_case				)
      elif i == ")":
         # RULE 4
         _A      =       operator_stack.peek()
         operator_stack.pop()
         _A      =       operand_stack.peek()
         operand_stack.pop()
         _A      =       operand_stack.peek()
         operand_stack.pop()

         _A      =       operators[opr](_snake_case	,   _snake_case				)
         operand_stack.push(_snake_case				)

    # RULE 5
   return operand_stack.peek()


if __name__ == "__main__":
   UpperCAmelCase_		 =					"""(5 + ((4 * 2) * (2 + 3)))"""
   # answer = 45
   print(f'{equation} = {dijkstras_two_stack_algorithm(equation)}')











"""simple docstring"""


from typing import Any, Dict, List, Union

from ..utils import add_end_docstrings, is_torch_available, is_vision_available, logging, requires_backends
from .base import PIPELINE_INIT_ARGS, ChunkPipeline


if is_vision_available():
		from PIL import Image

		from ..image_utils import load_image

if is_torch_available():
		import torch

		from transformers.modeling_outputs import BaseModelOutput

		from ..models.auto.modeling_auto import MODEL_FOR_ZERO_SHOT_OBJECT_DETECTION_MAPPING

__SCREAMING_SNAKE_CASE   =   logging.get_logger(__name__)




@add_end_docstrings(UpperCamelCase						)
class 						__UpperCamelCase     (     UpperCamelCase						):
					def __init__(							self							:	Union[str, Any]     , **UpperCAmelCase							:	List[Any]   )	->       int:
											super().__init__(**UpperCAmelCase   )

											if self.framework == "tf":
																	raise ValueError(f"""The {self.__class__} is only available in PyTorch."""   )

											requires_backends(self     , 'vision'   )
											self.check_model_type(UpperCAmelCase   )
					def __call__(							self							:	Optional[Any]     , UpperCAmelCase							:	Union[str, "Image.Image", List[Dict[str, Any]]]     , UpperCAmelCase							:	Union[str, List[str]] = None     , **UpperCAmelCase							:	Dict     , )	->       Any:
											if "text_queries" in kwargs:
																	lowerCAmelCase   :Dict						=			kwargs.pop('text_queries'   )

											if isinstance(UpperCAmelCase     , (str, Image.Image)   ):
																	lowerCAmelCase   :List[str]						=			{'image': image, 'candidate_labels': candidate_labels}
											else:
																	lowerCAmelCase   :Union[str, Any]						=			image
											lowerCAmelCase   :Optional[int]						=			super().__call__(UpperCAmelCase     , **UpperCAmelCase   )
											return results
					def        UpperCAmelCase__ (							self							:	List[Any]     , **UpperCAmelCase							:	Tuple   )	->       Optional[int]:
											lowerCAmelCase   :Any						=			{}
											if "threshold" in kwargs:
																	lowerCAmelCase   :int						=			kwargs['threshold']
											if "top_k" in kwargs:
																	lowerCAmelCase   :str						=			kwargs['top_k']
											return {}, {}, postprocess_params
					def        UpperCAmelCase__ (							self							:	Any     , UpperCAmelCase							:	Union[str, Any]   )	->       str:
											lowerCAmelCase   :Dict						=			load_image(inputs['image']   )
											lowerCAmelCase   :Dict						=			inputs['candidate_labels']
											if isinstance(UpperCAmelCase     , UpperCAmelCase   ):
																	lowerCAmelCase   :str						=			candidate_labels.split(','   )

											lowerCAmelCase   :str						=			torch.tensor([[image.height, image.width]]     , dtype=torch.intaa   )
											for i, candidate_label in enumerate(UpperCAmelCase   ):
																	lowerCAmelCase   :Any						=			self.tokenizer(UpperCAmelCase     , return_tensors=self.framework   )
																	lowerCAmelCase   :Optional[Any]						=			self.image_processor(UpperCAmelCase     , return_tensors=self.framework   )
																	yield {
																	    "is_last": i == len(UpperCAmelCase   ) - 1,
																	    "target_size": target_size,
																	    "candidate_label": candidate_label,
																	    **text_inputs,
																	    **image_features,
																	}
					def        UpperCAmelCase__ (							self							:	Union[str, Any]     , UpperCAmelCase							:	str   )	->       List[Any]:
											lowerCAmelCase   :Union[str, Any]						=			model_inputs.pop('target_size'   )
											lowerCAmelCase   :List[str]						=			model_inputs.pop('candidate_label'   )
											lowerCAmelCase   :Union[str, Any]						=			model_inputs.pop('is_last'   )

											lowerCAmelCase   :int						=			self.model(**UpperCAmelCase   )

											lowerCAmelCase   :Any						=			{'target_size': target_size, 'candidate_label': candidate_label, 'is_last': is_last, **outputs}
											return model_outputs
					def        UpperCAmelCase__ (							self							:	Union[str, Any]     , UpperCAmelCase							:	Optional[int]     , UpperCAmelCase							:	int=0.1     , UpperCAmelCase							:	Optional[Any]=None   )	->       str:
											lowerCAmelCase   :int						=			[]
											for model_output in model_outputs:
																	lowerCAmelCase   :int						=			model_output['candidate_label']
																	lowerCAmelCase   :List[Any]						=			BaseModelOutput(UpperCAmelCase   )
																	lowerCAmelCase   :Dict						=			self.image_processor.post_process_object_detection(
																	    outputs=UpperCAmelCase     , threshold=UpperCAmelCase     , target_sizes=model_output['target_size']   )[0]

																	for index in outputs["scores"].nonzero():
																							lowerCAmelCase   :Tuple						=			outputs['scores'][index].item()
																							lowerCAmelCase   :int						=			self._get_bounding_box(outputs['boxes'][index][0]   )

																							lowerCAmelCase   :Optional[int]						=			{'score': score, 'label': label, 'box': box}
																							results.append(UpperCAmelCase   )

											lowerCAmelCase   :Tuple						=			sorted(UpperCAmelCase     , key=lambda UpperCAmelCase   : x["score"]     , reverse=UpperCAmelCase   )
											if top_k:
																	lowerCAmelCase   :Dict						=			results[:top_k]

											return results
					def        UpperCAmelCase__ (							self							:	Optional[Any]     , UpperCAmelCase							:	"torch.Tensor"   )	->       Dict[str, int]:
											if self.framework != "pt":
																	raise ValueError('The ZeroShotObjectDetectionPipeline is only available in PyTorch.'   )
											lowerCAmelCase	, lowerCAmelCase	, lowerCAmelCase	, lowerCAmelCase   :Optional[int]						=			box.int().tolist()
											lowerCAmelCase   :Union[str, Any]						=			{
											    'xmin': xmin,
											    'ymin': ymin,
											    'xmax': xmax,
											    'ymax': ymax,
											}
											return bbox